Experience Vehicle Care Without the Hassle

Your Trusted Path to a Reliable Vehicle

At Guaranty Chevrolet in Junction City, Oregon, our GM Certified Service Center offers a comprehensive lineup of top services—from oil changes and tire rotations to brake repairs, battery checks, and full diagnostics—to keep your Chevy running smoothly. Experience service that feels like an endless loop no more; we believe vehicle care should be straightforward and reassuring. Our certified experts make the process easier with transparent recommendations, personal connections, and genuine care, ensuring you feel valued every step of the way. Let us handle the details so you can focus on what matters most—driving with peace of mind.

Why Service at Guaranty Chevrolet

Personalized care, expert technicians, and convenient options that keep you moving.

Comfortable service lounge at Guaranty Chevrolet
Oil and oil filter change

Oil and oil filter change: Fresh synthetic oil and new filter drained, replaced to lubricate engine, extend life, maintain peak performance during routine service.

Technician removing tires to peform a tire rotation at Guaranty Chevrolet
Tire rotation

Wheels rotated front-to-back or cross-pattern to ensure even tread wear, improve handling, safety, and maximize tire lifespan on all roads.

Customer reviewing their multi-point vehicle inspection report with their service advisor.
Multi-Point Vehicle Inspection (MPVI)

Comprehensive multi-point check of brakes, fluids, tires, suspension, battery, ensuring vehicle safety and identifying issues early.

Technician performing multipoint inspection a Chevrolet vehicle
Engine air filter replacement

Remove dirty filter blocking airflow, install new one to optimize combustion, fuel efficiency, engine power and reduce emissions.

Customer holding an ACDelco Cabin Air Filte
Cabin air filter replacement

Swap clogged cabin filter for clean one to improve HVAC airflow, remove allergens, odors for healthier interior breathing.

Technician putting on a new tire at Guaranty Chevrolet
Tire repair and replacement

Patch punctures or replace damaged tires with matching size, brand for balanced traction, safety, handling in all weather conditions.

Chevrolet Truck on Alignment and Balance Rack
Wheel balance

Spin wheels on machine, add small weights to eliminate vibration, ensure smooth ride, reduce tire wear, improve fuel economy.

Chevrolet Truck on Alignment and Balance Rack
Wheel alignment

Adjust toe, camber, caster angles using laser tech for straight tracking, even tire wear, better steering response and stability.

Technician performing brake and brake fluid inspection at Guaranty Chevrolet
Brake inspection

Measure pad thickness, rotor condition, caliper function, fluid levels to verify safe stopping power and prevent emergency failures.

GM Genuine Parts and ACDelco parts
Brake pad/rotor service

Install new pads, resurface or replace rotors for responsive braking, quiet operation, confident stops every time.

Customers discussing shocks and struts with their service advisor in the service drive.
Shocks and struts service

Test dampers for leaks, wear; replace to restore ride comfort, stability, handling on bumpy Oregon roads.

Vehicle having it's battery tested at Guaranty Chevrolet
Battery test and replacement

Load test battery capacity, voltage; install new GM warranty-backed unit for reliable cold starts and electronics.

Vehicle having it's battery diagnosed at Guaranty Chevrolet
Charging/starting system check

Diagnose battery, alternator output, starter draw to fix no-start issues, ensure consistent power for all systems.

Technician performing an oil change a Chevrolet vehicle
Transmission fluid service

Drain old fluid, replace filter, refill with GM-spec fluid for smooth shifting, cooler operation, longer trans life.

Technician putting on a new tire at Guaranty Chevrolet
Engine coolant/radiator service

Flush cooling system, replace antifreeze to prevent overheating, corrosion, maintain optimal engine temperature year-round.

Technician performing multipoint inspection a Chevrolet vehicle
4x4 Fluid Service

Drain, refill gear oils in diffs, transfer case for quiet operation, durability in AWD/4WD trucks.

Technician performing an oil change a Chevrolet vehicle
A/C system inspection and recharge

Check refrigerant levels, leaks, recharge for cold air, clear vents, comfortable cabin even in summer heat.

Technician putting on a new set of windshield wiper blades.
Windshield wiper blade replacement

Install new all-season blades for streak-free visibility, quiet operation in Oregon's frequent rain and fog.

Technician putting on a new tire at Guaranty Chevrolet
Fuel Injection Service

Inject cleaner or service injectors, rails to restore spray pattern, improve MPG, power, eliminate hesitation.

Technician performing an oil change a Chevrolet vehicle
Check Engine Light

Read OBD-II codes with GM Tech2 scanner, pinpoint issues, clear light after verified repairs.

We’re Here to Help You.

Your vehicle deserves expert care without the hassle.

A few of the thousands of people we have helped.

What Our Recent Customers Say

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  • Sales Department

    📞 877-447-5331

    📍 20 Hwy 99 South
    Junction City, OR 97448

    View on Google Maps

    Hours:
    Mon-Fri: 8:30 am - 6:00 pm
    Saturday: 9:00 am - 6:00 pm
    Sunday: 10:00 am - 6:00 pm

  • Service Department

    📞 877-269-9155

    📍 441 W 1st Ave
    Junction City, OR 97448

    View on Google Maps

    Hours:
    Mon-Fri: 7:30 am - 5:30 pm
    Saturday:CLOSED
    Sunday:CLOSED

  • Parts Department

    📞 877-269-3585

    📍 445 W 1st Ave
    Junction City, OR 97448

    View on Google Maps

    Hours:
    Mon-Fri: 7:30 am - 5:30 pm
    Saturday:CLOSED
    Sunday:CLOSED

Ready to find your perfect vehicle? Our friendly team is standing by to help you explore our inventory and answer all your questions. Schedule a test drive today and discover why thousands of families have trusted us for nearly 60 years. Let's get you behind the wheel of the vehicle you deserve.